NestJS TypeORM Pagination - Step By Step Guide

NestJS TypeORM Pagination - Step By Step Guide

We will be implementing pagination in a NestJS API using TypeORM. We will implement offset and limit pagination using TypeORM query builder.

When working on an API, sometimes, we have to paginate our data in order to provide a good user experience. In this tutorial, we will be doing a *NestJS TypeORM Pagination *example. The example will be a products API.

Setting up a NestJS Project

First, let’s set up our project. We will generate a new NestJS project using the Nest CLI.

$> nest new products-api

Adding TypeORM

If we’re doing pagination, we most probably have a lot of data. And when having a lot of data, we also most probably are storing that data inside a database. To interact with our database we will use TypeORM.

let’s install and setup the module:

$> npm install --save @nestjs/typeorm typeorm mysql

I am using MySQL for this example, you can use whichever database you want, you just have to install the correct driver.

Next, let’s import the module in our root module, app.module.ts:

src/app.module.ts

import { Module } from '@nestjs/common'
import { AppController } from './app.controller'
import { AppService } from './app.service'
import { TypeOrmModule } from '@nestjs/typeorm'
​
@Module({
  imports: [
    TypeOrmModule.forRoot({
      type: 'mysql',
      host: 'localhost',
      port: 3306,
      username: 'root',
      password: 'password',
      database: 'products',
      entities: [],
      synchronize: true,
    }),
  ],
  controllers: [AppController],
  providers: [AppService],
})
export class AppModule {}
​

The module will connect to our database when the app starts.

nestjs nodejs typescript nest.js node.js pagination typeorm

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